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/*
 * This file is part of Log4Jdbc.
 *
 * Log4Jdbc is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Log4Jdbc is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Log4Jdbc.  If not, see .
 *
 */
package fr.ms.log4jdbc.message.resultset;

import java.util.HashMap;
import java.util.Map;

/**
 * 
 * @see Marco4J
 * 
 * 
 * @author Marco Semiao
 * 
 */
public class RowImpl implements Row, Comparable {

  private final int position;

  private final Map values = new HashMap();

  public RowImpl(final int position) {
    this.position = position;
  }

  public CellImpl addValueColumn(final ColumnImpl columnDetail, final Object value) {
    final CellImpl cell = new CellImpl(columnDetail, this, value);

    final Integer index = new Integer(columnDetail.getIndex());
    final String label = columnDetail.getLabel();

    final Object object = values.get(index);

    if (object == null) {
      values.put(index, cell);
      values.put(label, cell);
    }

    return cell;
  }

  public int getPosition() {
    return position;
  }

  public Cell getValue(final int columnIndex) {
    final Integer index = new Integer(columnIndex);
    return (Cell) values.get(index);
  }

  public Cell getValue(final String columnLabel) {
    return (Cell) values.get(columnLabel);
  }

  public int compareTo(final Object obj) {
    final RowImpl o = (RowImpl) obj;
    return this.position - o.position;
  }

  public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = prime * result + position;
    return result;
  }

  public boolean equals(final Object obj) {
    if (this == obj) {
      return true;
    }
    if (obj == null) {
      return false;
    }
    if (getClass() != obj.getClass()) {
      return false;
    }
    final RowImpl other = (RowImpl) obj;
    if (position != other.position) {
      return false;
    }
    return true;
  }

  public String toString() {
    return "RowImpl [position=" + position + ", values=" + values + "]";
  }
}